"I highly recommend this series, and even though each book can be read as a stand-alone, I would suggest reading them in order. The author has done a great job is showing the characters as they mature and grow."

"Brilliant series. I just love Jack Callum, his family and colleagues."

A series of crime novels featuring Detective Chief Inspector Jack Callum, an ordinary copper. Set in the late 1950’s, early 1960’s in Hertfordshire, a sprawling, typically English county. The crimes Jack investigates are far from ordinary.

Copyright 2018 Maynard Sims Ltd

​"I would recommend this book. It was absolutely brilliant. I couldn't put it down from the moment I started it. I can't wait for more from these authors."

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"If you enjoy historical mysteries or police procedurals, then you won't be disappointed by Maynard Sims' DCI Callum mysteries."